Climate and monthly weather forecastRock Anna, MD
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Rock Anna, Maryland, with an average temperature ranging between min 28.4°F (-2°C) and max 39.6°F (4.2°C). In Rock Anna, the lowest average temperatures are observed in January, with a high of 39.6°F (4.2°C) and a low of 28.4°F (-2°C). Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Rock Anna, Maryland, with an average temperature varying between 43.2°F (6.2°C) and 30.7°F (-0.7°C). With the onset of February, Rock Anna's average high-temperature clocks in at a frosty 43.2°F (6.2°C), showing a minor fluctuation from the previous month. Weather in February »Weather in March
March, the first month of the spring in Rock Anna, is a cool month, with an average temperature ranging between min 37.8°F (3.2°C) and max 50.7°F (10.4°C). With the onset of March, Rock Anna experiences a subtle temperature shift, with the average high-temperature moving from a chilly 43.2°F (6.2°C) in February to a fresh 50.7°F (10.4°C). Weather in March »Weather in April
April in Rock Anna, Maryland, is a comfortable spring month, with an average temperature fluctuating between 47.5°F (8.6°C) and 62.8°F (17.1°C). As Rock Anna transitions into April, the average high-temperature is observed to rise from a cool 50.7°F (10.4°C) in March to a comfortable 62.8°F (17.1°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Rock Anna, Maryland, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 72.1°F (22.3°C). With the onset of May, Rock Anna's average high-temperature sees a rise, moving from April's enjoyable 62.8°F (17.1°C) to an agreeable 72.1°F (22.3°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Rock Anna, Maryland, with an average temperature ranging between max 80.2°F (26.8°C) and min 65.7°F (18.7°C). The start of June signals a slight increase in the average high-temperature, moving from a pleasant 72.1°F (22.3°C) in May to a warm 80.2°F (26.8°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Rock Anna, Maryland, with an average temperature fluctuating between 85.6°F (29.8°C) and 70.7°F (21.5°C). July is the month when Rock Anna's temperatures reach their peak, with averages of 85.6°F (29.8°C) and lows of 70.7°F (21.5°C). July's heat index is appraised at a sweltering 95°F (35°C). Weather in July »Weather in August
August, the last month of the summer in Rock Anna, is another warm month, with an average temperature varying between 69.1°F (20.6°C) and 83.7°F (28.7°C). Rock Anna experiences a subtle adjustment in high-temperatures to a still warm 83.7°F (28.7°C) with the onset of August, maintaining near parity with July's 85.6°F (29.8°C). Weather in August »Weather in September
September, the first month of the autumn in Rock Anna, is also a moderately hot month, with an average temperature ranging between min 63.3°F (17.4°C) and max 77.4°F (25.2°C). Rock Anna records a mild change in average high-temperature during September, easing from a warm 83.7°F (28.7°C) in August to a still moderately hot 77.4°F (25.2°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Rock Anna, Maryland, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 52.9°F (11.6°C). With October's arrival, Rock Anna sees a decrease in average high-temperatures, moving from a warm 77.4°F (25.2°C) in September to a comfortable 65.5°F (18.6°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Rock Anna, Maryland, with an average temperature ranging between max 53.8°F (12.1°C) and min 41.4°F (5.2°C). November suggests a modest reduction in the average high-temperature, shifting from an enjoyable 65.5°F (18.6°C) in October to a fresh 53.8°F (12.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Rock Anna, Maryland, with an average temperature ranging between max 45.5°F (7.5°C) and min 34.7°F (1.5°C). Start of December brings a slight shift in the average high-temperature, dipping a bit from November's cool 53.8°F (12.1°C) to a frosty 45.5°F (7.5°C). Weather in December »Updated: Jun 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January tends to be the coldest month, with temperatures averaging a daily high of 39.6°F (4.2°C) and a low of 28.4°F (-2°C).
The months with the lowest humidity in Rock Anna are January, March, April and November, with an average relative humidity of 72%.
January is the month with the least rainfall. Rain falls for 9.9 days and accumulates 2.01" (51mm) of precipitation.
In Rock Anna, during the entire year, the rain falls for 156.2 days and collects up to 31.34" (796mm) of precipitation.
January through April, November and December are months with snowfall.
The month with the most snowfall is January, when snow falls for 4.4 days and typically aggregates up to 2.05" (52mm) of snow.
Throughout the year, there are 14 snowfall days, and 6.14" (156mm) of snow is accumulated.
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
With an average relative humidity of 78%, May is the most humid month.
May through October are months without snowfall.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
June has the longest days of the year, with an average of 14h and 54min of daylight.
The warmest period in Rock Anna is July, when temperatures fluctuate between an average high of 85.6°F (29.8°C) and a low of 70.7°F (21.5°C).
With an average of 10.9h of sunshine, July has the most sunshine of the year.
August is the month with the most rainfall. Rain falls for 13.9 days and accumulates 3.54" (90mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 30min of daylight.
With an average of 5h of sunshine, December has the least sunshine of the year.
Average temperature
Rock Anna, MD
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure
Rock Anna, MD
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Rock Anna, MD
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.1mph - Average wind speed in May:
7.5mph - Average wind speed in June:
7mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity
Rock Anna, MD
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall
Rock Anna, MD
- Average rainfall in January:
2.01" - Average rainfall in February:
2.36" - Average rainfall in March:
2.48" - Average rainfall in April:
2.6" - Average rainfall in May:
2.87" - Average rainfall in June:
2.6"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.54" - Average rainfall in September:
2.05" - Average rainfall in October:
2.6" - Average rainfall in November:
2.17" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days
Rock Anna, MD
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).
Average snowfall
Rock Anna, MD
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Rock Anna, MD
- Average snowfall days in January:
4.4 days - Average snowfall days in February:
4.2 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Rock Anna, MD
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 18min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 54min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days
Rock Anna, MD
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Rock Anna, MD
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Rock Anna, MD
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Rock Anna, MD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
